./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:14:04,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:14:04,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:14:04,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:14:04,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:14:04,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:14:04,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:14:04,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:14:04,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:14:04,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:14:04,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:14:04,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:14:04,774 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:14:04,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:14:04,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:14:04,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:14:04,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:14:04,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:14:04,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:14:04,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:14:04,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:14:04,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:14:04,780 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:14:04,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:14:04,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:14:04,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:14:04,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:14:04,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:14:04,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:14:04,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:14:04,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:14:04,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:04,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:14:04,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:14:04,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:14:04,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:14:04,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:14:04,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:14:04,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:14:04,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:14:04,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:14:04,785 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2024-10-14 17:14:04,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:14:05,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:14:05,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:14:05,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:14:05,027 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:14:05,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-10-14 17:14:06,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:14:06,763 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:14:06,764 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-10-14 17:14:06,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e06adc28/d795d3391b004dc585002f49955c3ea7/FLAGd7c4c7c36 [2024-10-14 17:14:06,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e06adc28/d795d3391b004dc585002f49955c3ea7 [2024-10-14 17:14:06,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:14:06,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:14:06,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:06,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:14:06,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:14:06,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7009a892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06, skipping insertion in model container [2024-10-14 17:14:06,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:14:06,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:06,994 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:14:07,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:07,043 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:14:07,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07 WrapperNode [2024-10-14 17:14:07,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:07,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:07,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:14:07,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:14:07,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,082 INFO L138 Inliner]: procedures = 25, calls = 27, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 183 [2024-10-14 17:14:07,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:07,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:14:07,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:14:07,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:14:07,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:14:07,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:14:07,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:14:07,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:14:07,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (1/1) ... [2024-10-14 17:14:07,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:07,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:14:07,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:14:07,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:14:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:14:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:14:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:14:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:14:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:14:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:14:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:14:07,178 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:14:07,276 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:14:07,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:14:07,498 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:14:07,498 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:14:07,736 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:14:07,738 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 17:14:07,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07 BoogieIcfgContainer [2024-10-14 17:14:07,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:14:07,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:14:07,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:14:07,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:14:07,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:14:06" (1/3) ... [2024-10-14 17:14:07,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c80572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:07, skipping insertion in model container [2024-10-14 17:14:07,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:07" (2/3) ... [2024-10-14 17:14:07,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c80572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:07, skipping insertion in model container [2024-10-14 17:14:07,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07" (3/3) ... [2024-10-14 17:14:07,749 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-10-14 17:14:07,764 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:14:07,765 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-10-14 17:14:07,765 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:14:07,828 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:14:07,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 318 flow [2024-10-14 17:14:07,910 INFO L124 PetriNetUnfolderBase]: 9/150 cut-off events. [2024-10-14 17:14:07,911 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:14:07,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 150 events. 9/150 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-10-14 17:14:07,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 152 transitions, 318 flow [2024-10-14 17:14:07,922 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 133 transitions, 278 flow [2024-10-14 17:14:07,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:14:07,933 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24fb41a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:14:07,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-14 17:14:07,944 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:14:07,944 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 17:14:07,944 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:14:07,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:07,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:07,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:07,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:07,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1143713519, now seen corresponding path program 1 times [2024-10-14 17:14:07,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304303100] [2024-10-14 17:14:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:08,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304303100] [2024-10-14 17:14:08,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304303100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:08,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:08,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:08,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791517974] [2024-10-14 17:14:08,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:08,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:08,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:08,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:08,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 152 [2024-10-14 17:14:08,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:08,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:08,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 152 [2024-10-14 17:14:08,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:08,240 INFO L124 PetriNetUnfolderBase]: 14/168 cut-off events. [2024-10-14 17:14:08,241 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-14 17:14:08,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 168 events. 14/168 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 323 event pairs, 8 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 109. Up to 32 conditions per place. [2024-10-14 17:14:08,245 INFO L140 encePairwiseOnDemand]: 136/152 looper letters, 12 selfloop transitions, 2 changer transitions 2/119 dead transitions. [2024-10-14 17:14:08,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 119 transitions, 278 flow [2024-10-14 17:14:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2024-10-14 17:14:08,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8574561403508771 [2024-10-14 17:14:08,261 INFO L175 Difference]: Start difference. First operand has 132 places, 133 transitions, 278 flow. Second operand 3 states and 391 transitions. [2024-10-14 17:14:08,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 119 transitions, 278 flow [2024-10-14 17:14:08,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 270 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:14:08,268 INFO L231 Difference]: Finished difference. Result has 121 places, 117 transitions, 242 flow [2024-10-14 17:14:08,270 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=121, PETRI_TRANSITIONS=117} [2024-10-14 17:14:08,272 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -11 predicate places. [2024-10-14 17:14:08,273 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 117 transitions, 242 flow [2024-10-14 17:14:08,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:08,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:08,274 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:08,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:14:08,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:08,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash 687665115, now seen corresponding path program 1 times [2024-10-14 17:14:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:08,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359814059] [2024-10-14 17:14:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:08,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:08,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359814059] [2024-10-14 17:14:08,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359814059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:08,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:08,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:08,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126613337] [2024-10-14 17:14:08,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:08,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:08,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:08,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:08,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:08,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 152 [2024-10-14 17:14:08,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 117 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:08,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:08,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 152 [2024-10-14 17:14:08,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:08,405 INFO L124 PetriNetUnfolderBase]: 26/200 cut-off events. [2024-10-14 17:14:08,405 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:14:08,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 200 events. 26/200 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 492 event pairs, 15 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 234. Up to 50 conditions per place. [2024-10-14 17:14:08,407 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 12 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2024-10-14 17:14:08,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 262 flow [2024-10-14 17:14:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-10-14 17:14:08,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.831140350877193 [2024-10-14 17:14:08,413 INFO L175 Difference]: Start difference. First operand has 121 places, 117 transitions, 242 flow. Second operand 3 states and 379 transitions. [2024-10-14 17:14:08,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 262 flow [2024-10-14 17:14:08,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 114 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:08,416 INFO L231 Difference]: Finished difference. Result has 116 places, 114 transitions, 234 flow [2024-10-14 17:14:08,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=116, PETRI_TRANSITIONS=114} [2024-10-14 17:14:08,417 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -16 predicate places. [2024-10-14 17:14:08,417 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 114 transitions, 234 flow [2024-10-14 17:14:08,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:08,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:08,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:08,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:14:08,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:08,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:08,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1755988018, now seen corresponding path program 1 times [2024-10-14 17:14:08,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:08,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751208332] [2024-10-14 17:14:08,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:08,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:09,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:09,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751208332] [2024-10-14 17:14:09,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751208332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:09,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:09,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:09,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397460979] [2024-10-14 17:14:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:09,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:09,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:09,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 152 [2024-10-14 17:14:09,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 114 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:09,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 152 [2024-10-14 17:14:09,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,143 INFO L124 PetriNetUnfolderBase]: 7/133 cut-off events. [2024-10-14 17:14:09,144 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:14:09,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 133 events. 7/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 192 event pairs, 3 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 139. Up to 21 conditions per place. [2024-10-14 17:14:09,147 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 14 selfloop transitions, 5 changer transitions 0/113 dead transitions. [2024-10-14 17:14:09,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 113 transitions, 270 flow [2024-10-14 17:14:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 722 transitions. [2024-10-14 17:14:09,149 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2024-10-14 17:14:09,149 INFO L175 Difference]: Start difference. First operand has 116 places, 114 transitions, 234 flow. Second operand 6 states and 722 transitions. [2024-10-14 17:14:09,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 113 transitions, 270 flow [2024-10-14 17:14:09,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 113 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:09,154 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 241 flow [2024-10-14 17:14:09,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=241, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2024-10-14 17:14:09,155 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -13 predicate places. [2024-10-14 17:14:09,155 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 241 flow [2024-10-14 17:14:09,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:09,157 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:09,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:14:09,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:09,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:09,158 INFO L85 PathProgramCache]: Analyzing trace with hash 30529895, now seen corresponding path program 1 times [2024-10-14 17:14:09,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:09,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266106132] [2024-10-14 17:14:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266106132] [2024-10-14 17:14:09,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266106132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:09,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:09,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:09,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586621372] [2024-10-14 17:14:09,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:09,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:09,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:09,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2024-10-14 17:14:09,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:09,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2024-10-14 17:14:09,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,226 INFO L124 PetriNetUnfolderBase]: 7/132 cut-off events. [2024-10-14 17:14:09,226 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:14:09,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 132 events. 7/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 188 event pairs, 3 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 143. Up to 16 conditions per place. [2024-10-14 17:14:09,228 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 9 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-10-14 17:14:09,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 112 transitions, 261 flow [2024-10-14 17:14:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2024-10-14 17:14:09,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2024-10-14 17:14:09,230 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 241 flow. Second operand 3 states and 384 transitions. [2024-10-14 17:14:09,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 112 transitions, 261 flow [2024-10-14 17:14:09,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 251 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:09,233 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 233 flow [2024-10-14 17:14:09,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-10-14 17:14:09,234 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -17 predicate places. [2024-10-14 17:14:09,235 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 233 flow [2024-10-14 17:14:09,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:09,236 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:09,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:14:09,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:09,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1404424468, now seen corresponding path program 1 times [2024-10-14 17:14:09,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:09,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144905591] [2024-10-14 17:14:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:09,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:09,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144905591] [2024-10-14 17:14:09,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144905591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:09,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:09,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:09,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414079144] [2024-10-14 17:14:09,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:09,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:09,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:09,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:09,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:09,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 152 [2024-10-14 17:14:09,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:09,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 152 [2024-10-14 17:14:09,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,300 INFO L124 PetriNetUnfolderBase]: 7/131 cut-off events. [2024-10-14 17:14:09,300 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:14:09,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 131 events. 7/131 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 188 event pairs, 3 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 127. Up to 13 conditions per place. [2024-10-14 17:14:09,301 INFO L140 encePairwiseOnDemand]: 150/152 looper letters, 0 selfloop transitions, 0 changer transitions 111/111 dead transitions. [2024-10-14 17:14:09,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 245 flow [2024-10-14 17:14:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2024-10-14 17:14:09,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8596491228070176 [2024-10-14 17:14:09,302 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 233 flow. Second operand 3 states and 392 transitions. [2024-10-14 17:14:09,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 245 flow [2024-10-14 17:14:09,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 241 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:09,304 INFO L231 Difference]: Finished difference. Result has 114 places, 0 transitions, 0 flow [2024-10-14 17:14:09,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=114, PETRI_TRANSITIONS=0} [2024-10-14 17:14:09,305 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -18 predicate places. [2024-10-14 17:14:09,306 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 0 transitions, 0 flow [2024-10-14 17:14:09,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:14:09,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-14 17:14:09,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-14 17:14:09,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-14 17:14:09,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-14 17:14:09,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-14 17:14:09,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-14 17:14:09,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-14 17:14:09,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-14 17:14:09,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-14 17:14:09,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-14 17:14:09,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2024-10-14 17:14:09,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-10-14 17:14:09,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-10-14 17:14:09,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-14 17:14:09,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-14 17:14:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-10-14 17:14:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-14 17:14:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-14 17:14:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-14 17:14:09,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-14 17:14:09,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-14 17:14:09,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-14 17:14:09,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:14:09,317 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 17:14:09,322 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:14:09,322 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:14:09,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:14:09 BasicIcfg [2024-10-14 17:14:09,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:14:09,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:14:09,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:14:09,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:14:09,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07" (3/4) ... [2024-10-14 17:14:09,328 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:14:09,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:14:09,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:14:09,335 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 17:14:09,335 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:14:09,335 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:14:09,335 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:14:09,406 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:14:09,406 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:14:09,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:14:09,407 INFO L158 Benchmark]: Toolchain (without parser) took 2614.68ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 101.1MB in the beginning and 131.1MB in the end (delta: -30.0MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,407 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:14:09,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.03ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 88.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 159.4MB. Free memory was 88.0MB in the beginning and 85.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,408 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,408 INFO L158 Benchmark]: RCFGBuilder took 632.10ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 83.9MB in the beginning and 200.4MB in the end (delta: -116.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,408 INFO L158 Benchmark]: TraceAbstraction took 1586.49ms. Allocated memory is still 247.5MB. Free memory was 199.4MB in the beginning and 136.4MB in the end (delta: 63.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,408 INFO L158 Benchmark]: Witness Printer took 79.46ms. Allocated memory is still 247.5MB. Free memory was 136.4MB in the beginning and 131.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.03ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 88.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.29ms. Allocated memory is still 159.4MB. Free memory was 88.0MB in the beginning and 85.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.10ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 83.9MB in the beginning and 200.4MB in the end (delta: -116.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1586.49ms. Allocated memory is still 247.5MB. Free memory was 199.4MB in the beginning and 136.4MB in the end (delta: 63.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Witness Printer took 79.46ms. Allocated memory is still 247.5MB. Free memory was 136.4MB in the beginning and 131.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 182 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 39 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:14:09,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE